--- libgo/go/os/signal/signal_cgo_test.go.orig	2020-03-04 19:30:03.000000000 +1100
+++ libgo/go/os/signal/signal_cgo_test.go	2020-09-08 13:08:25.393141000 +1000
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux,!android netbsd openbsd
+// +build bsdsunix darwin dragonfly freebsd linux,!android netbsd openbsd
 // +build cgo
 
 // Note that this test does not work on Solaris: issue #22849.